My 2017 Tahoe again had a flashing cel and developed a bad idle and loss of power.
Brought it to the dealer who replaced #5 coil pack. The dealer explained how unusual it is since I am the only customer with these issues.
I have finally found the noise. It is the dual tip exhaust extension. I went back to the muffler shop who did the installation and they removed it and installed a single exhaust tip.Apparently they have received some complaints
about the noisy tip.
Lately I am hearing a loud squeeling/screeching noise under hard acceleration only. no difference in performance,air cconditioner works fine.could be a pulley or serpintine belt? I sprayed wd40 and let it sit overnight,no difference. when I bring it in for my first free oil change soon...
deleting the resonator and adding the dual tip looks better and has a slightly lower sound only. I was hoping for a significantly lower sound. did not happen.
BTW, we tried to add another tailpipe off the existing muffler to the drivers side,
impossible!!!!!
Driving on the highway Wednesday when the cel starts flashing and a loss of power.
I went to my local Chevy dealer and explained the problem. They immediately brought the Tahoe in for service and within in hour it was diagnosed and repaired.
The problem was in the #8 cylinder, spark plug fouled...
After a lot of searching, finally found a Z71 midnight in NH for a fair price and bought it last week.
Added a few items to the hoe,Z71 emblem from Silverado,red pinstriping,corvette emblem,some exhaust work,black door moldings.
Love the truck! What does everyone like, the tires and wheels!
It...
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